Crash helmet



FIG. 1 is a front view of a helmet in closed visor position according to the design;

FIG. 2 is a perspective view of helmet of FIG. 1 in closed visor position;

FIG. 3 is a rear view of the helmet of FIG. 1;

FIG. 4 is a right side view of the helmet of FIG. 1 in closed visor position; and,

FIG. 5 is a top plan view of the helmet of FIG. 1 in closed visor position. 

The ornamental design for a crash helmet, as shown and described. 